Arrived onsite for no heat service call on Steam Boiler with Gas Conversion Burners. Performed diagnostic and Reset system ignited and then went off after a couple minutes. Found fault in the Ignition system and Flame Safety system. Performed Band-Aid repair ignition system rejuvenation to recalibrate and clean components was able to get the boiler to stayed fired up. Ordering replace Flame Safety parts which may take some time.